This template's goal is to make linking to Rescue Team DX boss pages quicker and cleaner.
{{RescueTeamDXB|Gengar}}
will result in:
Gengar
As opposed to:
[[Rescue Team DX:Gengar (boss)|Gengar]]
{{RescueTeamDX|Gengar (boss)|Gengar}}
This is the documentation page, it should be transcluded into the main template page. See Template:Doc for more information.